Select built-in Administrator on login screen and click Sign in button. Then you will get access to Dell XPS desktop without password. However, if it is not enabled, you would not see it. Then you cannot take this method to reset Windows 10 password for Dell XPS desktop 8700/8900.

Tips: If you have another admin account available on login screen, you can choose it instead of the disabled built-in administrator to sign in Dell XPS desktop and then run command prompt to reset Windows 10 forgotten password.

Method 2: Reset Dell XPS desktop Windows 10 password with reset disk

As is known, password reset disk can reset Windows password easily for locked desktop/laptop/tablet. And we know it can be created on accessible Windows computer.

If you have created password reset disk on accessible Dell XPS desktop, now you will just need to click Reset password button on login screen after you typed a wrong password. And follow Password Reset Wizard to do.

If you have not, you also can burn such a password reset disk now on another accessible computer, as long as you have password recovery tool, such as Windows Password Genius Advanced. And follow Windows Password Genius Advanced user guide to do.

After a while, Windows Password Genius Advanced runs on locked Dell XPS 8700/8900 PC, and lists all local user accounts. Select the account you wish to reset a password, and click Reset Password button. It will reset forgotten Dell XPS PC password immediately.

Reboot your Dell XPS PC and exit the USB drive. Remember to change the Boot List Option back to UEFI in BIOS. You can then log in to your Windows 10 system without password.

Tips: Surely if Dell XPS 8700/8900 desktop login account is Microsoft account, above methods would not work. But don’t worry. There has been a way provided specially for Microsoft account password reset. Just go to Microsoft account password reset page, and follow the wizard to do.